Standard tables in parser

This commit is contained in:
Thomas Pelletier
2021-03-14 16:11:23 -04:00
parent 04925e4882
commit de035f0fed
2 changed files with 37 additions and 16 deletions
+20 -16
View File
@@ -71,7 +71,7 @@ func (p *parser) parseExpression(b []byte) ([]byte, error) {
var err error
var node ast.Node
if b[0] == '[' {
b, err = p.parseTable(b)
node, b, err = p.parseTable(b)
} else {
node, b, err = p.parseKeyval(b)
}
@@ -91,7 +91,7 @@ func (p *parser) parseExpression(b []byte) ([]byte, error) {
return b, nil
}
func (p *parser) parseTable(b []byte) ([]byte, error) {
func (p *parser) parseTable(b []byte) (ast.Node, []byte, error) {
//table = std-table / array-table
if len(b) > 1 && b[1] == '[' {
return p.parseArrayTable(b)
@@ -99,7 +99,7 @@ func (p *parser) parseTable(b []byte) ([]byte, error) {
return p.parseStdTable(b)
}
func (p *parser) parseArrayTable(b []byte) ([]byte, error) {
func (p *parser) parseArrayTable(b []byte) (ast.Node, []byte, error) {
//array-table = array-table-open key array-table-close
//array-table-open = %x5B.5B ws ; [[ Double left square bracket
//array-table-close = ws %x5D.5D ; ]] Double right square bracket
@@ -118,26 +118,30 @@ func (p *parser) parseArrayTable(b []byte) ([]byte, error) {
//}
//return expect(']', b)
return nil, nil
return ast.NoNode, nil, nil
}
func (p *parser) parseStdTable(b []byte) ([]byte, error) {
func (p *parser) parseStdTable(b []byte) (ast.Node, []byte, error) {
//std-table = std-table-open key std-table-close
//std-table-open = %x5B ws ; [ Left square bracket
//std-table-close = ws %x5D ; ] Right square bracket
// TODO
//b = b[1:]
//b = p.parseWhitespace(b)
//b, err := p.parseKey(b)
//if err != nil {
// return nil, err
//}
//b = p.parseWhitespace(b)
//
//return expect(']', b)
node := ast.Node{
Kind: ast.Table,
}
return nil, nil
b = b[1:]
b = p.parseWhitespace(b)
key, b, err := p.parseKey(b)
if err != nil {
return ast.NoNode, nil, err
}
node.Children = key
b = p.parseWhitespace(b)
b, err = expect(']', b)
return node, b, err
}
func (p *parser) parseKeyval(b []byte) (ast.Node, []byte, error) {
+17
View File
@@ -71,6 +71,23 @@ func TestUnmarshal(t *testing.T) {
}
},
},
{
desc: "standard table",
input: `[A]
B = "data"`,
gen: func() test {
type A struct {
B string
}
type doc struct {
A A
}
return test{
&doc{},
&doc{A: A{B: "data"}},
}
},
},
{
desc: "inline table",
input: `Name = {First = "hello", Last = "world"}`,